ADR lookup / UN 1824
UN 1824 – SODIUM HYDROXIDE SOLUTION
ADR details for UN 1824 from ADR 2025, Table A: class 8, hazard identification number 80 in the upper half of the orange plate. There are 2 entries for this UN number, all listed below.
UN 1824
ADR (road)
- 8
Entry 1
| Name and description | SODIUM HYDROXIDE SOLUTION |
|---|---|
| Class | 8 |
| Classification code | C5 |
| Packing group | II |
| Labels | 8 |
| Hazard identification number | 80 |
| Limited quantity (LQ) | 1 L |
|---|---|
| Excepted quantity (EQ) | E2 |
| Packing instructions (8) | P001; IBC02 |
|---|---|
| Mixed packing provisions (9b) | MP15 |
| Portable tanks: instructions (10) | T7 |
|---|---|
| Portable tanks: special provisions (11) | TP2 |
| Tank code (12) | L4BN |
| Special provisions for tanks (13) | TU42 |
| Vehicle for tank carriage (14) | AT |
| Transport category | 2 |
|---|---|
| Tunnel restriction code | (E) |
- 8
Entry 2
| Name and description | SODIUM HYDROXIDE SOLUTION |
|---|---|
| Class | 8 |
| Classification code | C5 |
| Packing group | III |
| Labels | 8 |
| Hazard identification number | 80 |
| Limited quantity (LQ) | 5 L |
|---|---|
| Excepted quantity (EQ) | E1 |
| Packing instructions (8) | P001; IBC03; LP01; R001 |
|---|---|
| Mixed packing provisions (9b) | MP19 |
| Portable tanks: instructions (10) | T4 |
|---|---|
| Portable tanks: special provisions (11) | TP1 |
| Tank code (12) | L4BN |
| Special provisions for tanks (13) | TU42 |
| Vehicle for tank carriage (14) | AT |
| Transport category | 3 |
|---|---|
| Tunnel restriction code | (E) |
| Packages (16) | V12 |
Source: BAM – Datenbank GEFAHRGUT, dl-de/by-2-0. ADR 2025 (valid from 1 Jan 2025), BAM status 4 Nov 2024 (modified)
RID (rail)
| Name and description | SODIUM HYDROXIDE SOLUTION |
|---|---|
| Class | 8 |
| Classification code | C5 |
| Packing group | II |
| Labels | 8 |
| Hazard identification number | 80 |
| Limited quantity (LQ) | 1 L |
| Excepted quantity (EQ) | E2 |
| Packing instructions (8) | P001; IBC02 |
| Mixed packing provisions (9b) | MP15 |
| Portable tanks: instructions (10) | T7 |
| Portable tanks: special provisions (11) | TP2 |
| Tank code (12) | L4BN |
| Special provisions for tanks (13) | TU42 |
| Transport category | 2 |
| Express parcels | CE6 |
| Name and description | SODIUM HYDROXIDE SOLUTION |
|---|---|
| Class | 8 |
| Classification code | C5 |
| Packing group | III |
| Labels | 8 |
| Hazard identification number | 80 |
| Limited quantity (LQ) | 5 L |
| Excepted quantity (EQ) | E1 |
| Packing instructions (8) | P001; IBC03; LP01; R001 |
| Mixed packing provisions (9b) | MP19 |
| Portable tanks: instructions (10) | T4 |
| Portable tanks: special provisions (11) | TP1 |
| Tank code (12) | L4BN |
| Special provisions for tanks (13) | TU42 |
| Transport category | 3 |
| Packages (16) | W12 |
| Express parcels | CE8 |
Source: BAM – Datenbank GEFAHRGUT, dl-de/by-2-0. RID 2025, status 4 Nov 2024 (modified)
ADN (inland waterways)
| Name and description | SODIUM HYDROXIDE SOLUTION |
|---|---|
| Class | 8 |
| Classification code | C5 |
| Packing group | II |
| Labels | 8 |
| Limited quantity (LQ) | 1 L |
| Excepted quantity (EQ) | E2 |
| Equipment required | PP; EP |
| Number of cones/blue lights | 0 |
| Name and description | SODIUM HYDROXIDE SOLUTION |
|---|---|
| Class | 8 |
| Classification code | C5 |
| Packing group | III |
| Labels | 8 |
| Limited quantity (LQ) | 5 L |
| Excepted quantity (EQ) | E1 |
| Equipment required | PP; EP |
| Number of cones/blue lights | 0 |
Source: BAM – Datenbank GEFAHRGUT, dl-de/by-2-0. ADN 2025, status 4 Nov 2024 (modified)
IMDG (sea)
| Name and description | SODIUM HYDROXIDE SOLUTION |
|---|---|
| Class | 8 |
| Packing group | II |
| Limited quantity (LQ) | 1 L |
| Excepted quantity (EQ) | E2 |
| Packing instructions (8) | P001 |
| IBC instructions and provisions | IBC02 |
| Portable tanks: instructions (10) | T7 |
| Portable tanks: special provisions (11) | TP2 |
| EmS | F-A; S-B |
| Stowage category | A |
| Segregation | SG35 |
| Segregation group | SGG18 |
| Name and description | SODIUM HYDROXIDE SOLUTION |
|---|---|
| Class | 8 |
| Packing group | III |
| Special provisions (6) | 223 |
| Limited quantity (LQ) | 5 L |
| Excepted quantity (EQ) | E1 |
| Packing instructions (8) | P001; LP01 |
| IBC instructions and provisions | IBC03 |
| Portable tanks: instructions (10) | T4 |
| Portable tanks: special provisions (11) | TP1 |
| EmS | F-A; S-B |
| Stowage category | A |
| Segregation | SG35 |
| Segregation group | SGG18 |
SP 223
If the chemical or physical properties of a substance covered by this description are such that, when tested, it does not meet the established defining criteria for the class or division listed in column 3, or any other class or division, it is not subject to the provisions of this Code except in the case of marine pollutant where 2.10.3 applies.
Source: BAM – Datenbank GEFAHRGUT, dl-de/by-2-0. IMDG Code Amdt. 42-24, applicable from 1 Jan 2026, status 9 Dec 2025 (modified)
ICAO (air)
| Name and description | Sodium hydroxide solution |
|---|---|
| Class | 8 |
| Labels | Corrosive |
| Packing group | II |
| Special provisions (6) | A3 |
| Excepted quantity (EQ) | E2 |
| Packing instruction passenger aircraft | 851 |
| Max. net quantity passenger aircraft | 1 L |
| Packing instruction limited quantity (Y) | Y840 |
| Max. net quantity limited quantity (Y) | 0.5 L |
| Packing instruction cargo aircraft | 855 |
| Max. net quantity cargo aircraft | 30 L |
| ERG code | 8L |
SP A3
If the chemical or physical properties of a substance covered by this description are such that, when tested, it does not meet the established defining criteria for the class or division listed in column 3, or any other class or division, it is not subject to these Instructions.
| Name and description | Sodium hydroxide solution |
|---|---|
| Class | 8 |
| Labels | Corrosive |
| Packing group | III |
| Special provisions (6) | A3 |
| Excepted quantity (EQ) | E1 |
| Packing instruction passenger aircraft | 852 |
| Max. net quantity passenger aircraft | 5 L |
| Packing instruction limited quantity (Y) | Y841 |
| Max. net quantity limited quantity (Y) | 1 L |
| Packing instruction cargo aircraft | 856 |
| Max. net quantity cargo aircraft | 60 L |
| ERG code | 8L |
SP A3
If the chemical or physical properties of a substance covered by this description are such that, when tested, it does not meet the established defining criteria for the class or division listed in column 3, or any other class or division, it is not subject to these Instructions.
Source: BAM – Datenbank GEFAHRGUT, dl-de/by-2-0. ICAO TI 2025–2026, status 5 Nov 2024 (modified)
We maintain this information to the best of our knowledge, but errors and outdated data are possible. It does not replace the official text of ADR, RID, ADN, the IMDG Code or the ICAO TI, nor a check by a dangerous goods safety adviser. No liability is accepted for the information.
